6770128 has 10 divisors (see below), whose sum is σ = 13117154. Its totient is φ = 3385056.

The previous prime is 6770123. The next prime is 6770143. The reversal of 6770128 is 8210776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6110784 + 659344 = 2472^2 + 812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6770128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6770123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211551 + ... + 211582.

Almost surely, 2^6770128 is an apocalyptic number.

It is an amenable number.

6770128 is a deficient number, since it is larger than the sum of its proper divisors (6347026).

6770128 is a wasteful number, since it uses less digits than its factorization.

6770128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423141 (or 423135 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 6770128 is about 2601.9469633334. The cubic root of 6770128 is about 189.1758206373.

The spelling of 6770128 in words is "six million, seven hundred seventy thousand, one hundred twenty-eight".